Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 1.962
Filtrar
1.
J Dermatolog Treat ; 35(1): 2378163, 2024 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38991555

RESUMO

PURPOSE: We aim to explore a potential treatment strategy for hair loss. MATERIALS AND METHODS: A male 6-year-old child was diagnosed with hidrotic ectodermal dysplasia 2 (HED2) caused by GJB6 (p.G11R) mutations. He presented at our clinic with diffuse thinning and fine and brittle hair since birth. Additionally, the child exhibited abnormal development of teeth, fingernails, and toenails. The condition of the child's hair had not improved significantly with age. He was treated with botanical extracts combined with Minoxidil. RESULTS: After one and a half months of treatment, the patient showed remarkable hair growth. CONCLUSIONS: Our team has previously used botanical extracts in combination for the treatment of autosomal recessive wooly hair in children. In the present case, treatment with botanical extract combined with minoxidil was found to be equally efficacious. This case report provides valuable information for future studies on the use of botanical extracts in treating hair loss, as well as a safe and effective potential treatment strategy for children with congenital alopecia.


Assuntos
Alopecia , Displasia Ectodérmica , Minoxidil , Extratos Vegetais , Humanos , Masculino , Criança , Extratos Vegetais/administração & dosagem , Alopecia/tratamento farmacológico , Alopecia/patologia , Displasia Ectodérmica/tratamento farmacológico , Displasia Ectodérmica/genética , Displasia Ectodérmica/patologia , Quimioterapia Combinada , Mutação , Resultado do Tratamento , Conexinas/genética
3.
Int J Mol Sci ; 25(12)2024 Jun 13.
Artigo em Inglês | MEDLINE | ID: mdl-38928239

RESUMO

Aging (senescence) is an unavoidable biological process that results in visible manifestations in all cutaneous tissues, including scalp skin and hair follicles. Previously, we evaluated the molecular function of adenosine in promoting alopecia treatment in vitro. To elucidate the differences in the molecular mechanisms between minoxidil (MNX) and adenosine, gene expression changes in dermal papilla cells were examined. The androgen receptor (AR) pathway was identified as a candidate target of adenosine for hair growth, and the anti-androgenic activity of adenosine was examined in vitro. In addition, ex vivo examination of human hair follicle organ cultures revealed that adenosine potently elongated the anagen stage. According to the severity of alopecia, the ratio of the two peaks (terminal hair area/vellus hair area) decreased continuously. We further investigated the adenosine hair growth promoting effect in vivo to examine the hair thickness growth effects of topical 5% MNX and the adenosine complex (0.75% adenosine, 1% penthenol, and 2% niacinamide; APN) in vivo. After 4 months of administration, both the MNX and APN group showed significant increases in hair density (MNX + 5.01% (p < 0.01), APN + 6.20% (p < 0.001)) and thickness (MNX + 5.14% (p < 0.001), APN + 10.32% (p < 0.001)). The inhibition of AR signaling via adenosine could have contributed to hair thickness growth. We suggest that the anti-androgenic effect of adenosine, along with the evaluation of hair thickness distribution, could help us to understand hair physiology and to investigate new approaches for drug development.


Assuntos
Adenosina , Alopecia , Folículo Piloso , Cabelo , Minoxidil , Receptores Androgênicos , Transdução de Sinais , Alopecia/tratamento farmacológico , Alopecia/metabolismo , Alopecia/patologia , Humanos , Masculino , Receptores Androgênicos/metabolismo , Adenosina/metabolismo , Adenosina/farmacologia , Folículo Piloso/efeitos dos fármacos , Folículo Piloso/metabolismo , Folículo Piloso/crescimento & desenvolvimento , Transdução de Sinais/efeitos dos fármacos , Minoxidil/farmacologia , Feminino , Animais , Cabelo/crescimento & desenvolvimento , Cabelo/efeitos dos fármacos , Cabelo/metabolismo
4.
Arch Dermatol Res ; 316(6): 313, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38822940

RESUMO

Female Pattern Hair Loss (FPHL) is a common form of non-scaring hair loss that occurs in adult women. Although several treatments have already been proposed for FPHL, only Topical Minoxidil accumulated an adequate level of evidence. This study aimed to evaluate the therapeutic response of MMP® (intradermal infiltration) of Minoxidil formulation in the frontal-parietal-vertex regions compared with the gold-standard home administration of Minoxidil 5% Capillary Solution. This self-controlled comparative study evaluated 16 FPHL patients, without treatment for at least 6 months, confirmed by trichoscopy with TrichoLAB® software. They received 4 monthly sessions of MMP® with Minoxidil 0,5% on the right side of the scalp (frontal-parietal-vertex areas), followed by occlusion with plastic film for 12 h and prescription of Minoxidil 5% Solution for home use once a day, on both scalp sides, starting 72 h after the procedure. The reassessment trichoscopy was 6 weeks after the last session and they answered a "self-assessment" questionnaire. Treated scalp areas were compared and showed both treatments, in general, were effective, with no difference between them. If they were analyzed separately by treated areas, there were signs of better response in the parietal-vertex regions with treatment by MMP® with Minoxidil, while clinical treatment indicated a better response in the other regions. When patients were divided into more and less advanced cases, a better response in parietal-vertex regions treated by MMP® with Minoxidil in less advanced patients was confirmed. MMP® with Minoxidil showed a better response in the parietal-vertex regions in less advanced FPHL patients. It represents yet another resource to improve quality of life of these suffering patients.


Assuntos
Alopecia , Minoxidil , Couro Cabeludo , Humanos , Minoxidil/administração & dosagem , Feminino , Alopecia/tratamento farmacológico , Projetos Piloto , Adulto , Pessoa de Meia-Idade , Resultado do Tratamento , Administração Tópica
6.
Facial Plast Surg Clin North Am ; 32(3): 417-423, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38936999

RESUMO

Alopecia, a widespread issue affecting both genders, often manifests as androgenetic alopecia, although a thorough examination is needed to rule out other causes. This chapter focuses on the treatment of androgenetic alopecia. Finasteride and minoxidil, the Food and Drug Administration-approved treatments, offer stability and in some cases improvement in scalp coverage. Platelet-rich plasma exhibits positive results as an off-label alopecia therapy. For eligible individuals, hair transplantation proves effective, using healthy follicular units to restore hair-bearing areas. Multiple options allow for the tailoring of interventions to each patient.


Assuntos
Alopecia , Finasterida , Minoxidil , Plasma Rico em Plaquetas , Humanos , Alopecia/terapia , Minoxidil/uso terapêutico , Finasterida/uso terapêutico , Inibidores de 5-alfa Redutase/uso terapêutico , Masculino , Feminino
7.
J Coll Physicians Surg Pak ; 34(6): 650-653, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38840345

RESUMO

OBJECTIVE: To compare the efficacy of topical minoxidil and platelet-rich plasma (PRP) in the treatment of alopecia areata (AA). STUDY DESIGN: Randomised control trial. Place and Duration of the Study: Department of Dermatology, Jinnah Postgraduate Medical Centre, Karachi, Pakistan, from December 2021 to June 2022. METHODOLOGY: The study included all the patients who visited JPMC Karachi during the study period. Permission from the ERB was obtained. The inclusion criteria were any gender and age 10 to 45 years. Topical minoxidil 5% solution was applied twice daily to Group A (six pubs/time), while PRP injections were administered to Group B at baseline and every four weeks for three months. Serial photos and the severity of alopecia tool (SALT) were used to determine the clinical assessment. When comparing the effectiveness between the two groups, a p-value of <0.05 was considered significant. SPSS version 23 was used to analyse the data. RESULTS: Mean age was 23.11 ± 8.9 years in 376 patients. PRP and Minoxidil groups had mean SALT scores at three months that were 1.48 and 1.54, respectively. Both treatments were shown to be efficacious. There was no statistically significant difference in efficacy between the minoxidil solution and PRP (p = 0.483). CONCLUSION: There is no apparent difference between PRP and topical minoxidil 5% solution in the management of AA. To verify the results, additional studies are needed with a larger sample size and a longer duration of follow-up. KEY WORDS: Minoxidil, Platelet-rich plasma, Alopecia areata, Severity of alopecia tool score.


Assuntos
Alopecia em Áreas , Minoxidil , Plasma Rico em Plaquetas , Humanos , Alopecia em Áreas/tratamento farmacológico , Alopecia em Áreas/terapia , Minoxidil/administração & dosagem , Minoxidil/uso terapêutico , Feminino , Masculino , Adulto , Resultado do Tratamento , Adolescente , Adulto Jovem , Paquistão , Administração Tópica , Pessoa de Meia-Idade , Vasodilatadores/administração & dosagem , Vasodilatadores/uso terapêutico , Criança
8.
Biochem Biophys Res Commun ; 720: 150104, 2024 Aug 06.
Artigo em Inglês | MEDLINE | ID: mdl-38749189

RESUMO

The T-BOX transcription factor TBX1 is essential for the development of the pharyngeal apparatus and it is haploinsufficient in DiGeorge syndrome (DGS), a developmental anomaly associated with congenital heart disease and other abnormalities. The murine model recapitulates the heart phenotype and showed collagen accumulation. We first used a cellular model to study gene expression during cardiogenic differentiation of WT and Tbx1-/- mouse embryonic stem cells. Then we used a mouse model of DGS to test whether interfering with collagen accumulation using an inhibitor of lysyl hydroxylase would modify the cardiac phenotype of the mutant. We found that loss of Tbx1 in a precardiac differentiation model was associated with up regulation of a subset of ECM-related genes, including several collagen genes. In the in vivo model, early prenatal treatment with Minoxidil, a lysyl hydroxylase inhibitor, ameliorated the cardiac outflow tract septation phenotype in Tbx1 mutant fetuses, but it had no effect on septation in WT fetuses. We conclude that TBX1 suppresses a defined subset of ECM-related genes. This function is critical for OFT septation because the inhibition of collagen cross-linking in the mutant reduces significantly the penetrance of septation defects.


Assuntos
Síndrome de DiGeorge , Modelos Animais de Doenças , Minoxidil , Proteínas com Domínio T , Animais , Síndrome de DiGeorge/genética , Síndrome de DiGeorge/metabolismo , Síndrome de DiGeorge/tratamento farmacológico , Síndrome de DiGeorge/patologia , Camundongos , Proteínas com Domínio T/genética , Proteínas com Domínio T/metabolismo , Minoxidil/farmacologia , Colágeno/metabolismo , Diferenciação Celular/efeitos dos fármacos
10.
Genes (Basel) ; 15(5)2024 05 15.
Artigo em Inglês | MEDLINE | ID: mdl-38790256

RESUMO

Much research has been conducted to determine how hair regeneration is regulated, as this could provide therapeutic, cosmetic, and even psychological interventions for hair loss. The current study focused on the hair growth effect and effective utilization of fatty oil obtained from Bryde's whales through a high-throughput DNA microarray approach in conjunction with immunohistochemical observations. The research also examined the mechanisms and factors involved in hair growth. In an experiment using female C57BL/6J mice, the vehicle control group (VC: propylene glycol: ethanol: water), the positive control group (MXD: 3% minoxidil), and the experimental group (WO: 20% whale oil) were topically applied to the dorsal skin of the mouse. The results showed that 3% MXD and 20% WO were more effective than VC in promoting hair growth, especially 20% WO. Furthermore, in hematoxylin and eosin-stained dorsal skin tissue, an increase in the number of hair follicles and subcutaneous tissue thickness was observed with 20% WO. Whole-genome transcriptome analysis also confirmed increases for 20% WO in filaggrin (Flg), a gene related to skin barrier function; fibroblast growth factor 21 (Fgf21), which is involved in hair follicle development; and cysteine-rich secretory protein 1 (Crisp1), a candidate gene for alopecia areata. Furthermore, the results of KEGG pathway analysis indicated that 20% WO may have lower stress and inflammatory responses than 3% MXD. Therefore, WO is expected to be a safe hair growth agent.


Assuntos
Cabelo , Óleos , Animais , Feminino , Camundongos , Biologia Computacional/métodos , Proteínas Filagrinas , Perfilação da Expressão Gênica/métodos , Cabelo/crescimento & desenvolvimento , Cabelo/efeitos dos fármacos , Cabelo/metabolismo , Folículo Piloso/metabolismo , Folículo Piloso/efeitos dos fármacos , Folículo Piloso/crescimento & desenvolvimento , Camundongos Endogâmicos C57BL , Minoxidil/administração & dosagem , Análise de Sequência com Séries de Oligonucleotídeos/métodos , Pele/metabolismo , Pele/efeitos dos fármacos , Baleias , Óleos/administração & dosagem
11.
Lasers Med Sci ; 39(1): 128, 2024 May 10.
Artigo em Inglês | MEDLINE | ID: mdl-38724798

RESUMO

Laser sources have established their potential effect in inducing hair regrowth. No large cohort study has evaluated the effect of ablative fractional 2940-nm erbium yttrium aluminum garnet (Er: YAG) laser in the treatment of androgenetic alopecia (AGA). To investigate the efficacy and safety of the ablative fractional 2940-nm Er: YAG laser in combination with medication therapy for the treatment of AGA. We performed a retrospective study between first July 2021 to 30th December 2021. All included patients received oral finasteride and topical minoxidil, or combined with six sessions of Er: YAG laser at 2-week intervals. Patients were divided into medication or combined therapy groups. The efficacy of the two therapies was evaluated by the investigator's Global Assessment (IGA) scores and the patient's Likert satisfaction scale at week 12 and week 24. Changes in total, terminal and villous hair count, total and terminal hair diameter, and AGA grade were also recorded. Adverse events were evaluated at each follow-up. A total of 192 male patients with AGA were included, including 67 receiving combination treatment, and 125 receiving medication treatment. At week 24, the combination treatment afforded superior outcomes in the IGA score, patient's global assessment, total and terminal hair counts, and diameters (all P<0.05). No severe adverse events were reported in both groups. The combined therapy of ablative fractional Er: YAG laser and medication was superior in treating male AGA than single medication therapy without serious adverse effects.


Assuntos
Alopecia , Lasers de Estado Sólido , Humanos , Alopecia/terapia , Alopecia/radioterapia , Lasers de Estado Sólido/uso terapêutico , Masculino , Estudos Retrospectivos , Adulto , Pessoa de Meia-Idade , Resultado do Tratamento , Finasterida/administração & dosagem , Finasterida/uso terapêutico , Minoxidil/administração & dosagem , Terapia Combinada , Terapia com Luz de Baixa Intensidade/métodos , Terapia com Luz de Baixa Intensidade/efeitos adversos , Terapia com Luz de Baixa Intensidade/instrumentação
12.
Vestn Oftalmol ; 140(2. Vyp. 2): 90-93, 2024.
Artigo em Russo | MEDLINE | ID: mdl-38739136

RESUMO

This article presents a case of a 31-year-old male patient who presented to the outpatient department of the Krasnov Research Institute of Eye Diseases with complaints of diplopia and increased intraocular pressure (IOP) up to 30 mm Hg. The patient had been using minoxidil topically for androgenic alopecia for 8 years. On examination, mild swelling of the bulbar conjunctiva in the upper fornix was revealed; optical coherence tomography showed thinning of the ganglion cell layer, most likely due to moderate myopia. The patient responded well to discontinuation of minoxidil and topical therapy with prostaglandin analogues. After 4 months, an attempt was made to replace topical hypotensive therapy with carbonic anhydrase inhibitors, but the previous hypotensive regimen had to be resumed due to an increase in IOP. During 10 months of observation, no signs of progression were detected according to optical coherence tomography and static perimetry.


Assuntos
Minoxidil , Hipertensão Ocular , Tomografia de Coerência Óptica , Humanos , Masculino , Adulto , Hipertensão Ocular/etiologia , Hipertensão Ocular/diagnóstico , Hipertensão Ocular/induzido quimicamente , Hipertensão Ocular/fisiopatologia , Tomografia de Coerência Óptica/métodos , Minoxidil/administração & dosagem , Minoxidil/efeitos adversos , Pressão Intraocular/efeitos dos fármacos , Alopecia/etiologia , Alopecia/diagnóstico , Resultado do Tratamento
13.
Pak J Pharm Sci ; 37(2): 399-404, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38767107

RESUMO

Hair loss (alopecia) continues to be an issue for both sexes. There are multiple ways to reduce the effects of alopecia, one of which is topical minoxidil (MXD). This study aimed to test the effects of minoxidil nanoliposomes (MXD-NLs) on the hair of mice, compared with free MXD and to examine the disinfectant ability of MXD-NLs toward scalp bacteria. To test the study hypothesis, MXD-NLs and free MXD were prepared. Mouse hair was shaved prior to the experiment. MXD-NLs, free MXD and their vehicles were applied for 15 days. In addition, dermal swabs were used to isolate scalp bacteria and test the inhibitory effect of pretreated media with the two formulations and their vehicles. The results revealed that hair growth in the MXD-NLs -treated group (0.65±0.1cm) was higher than that in the free MXD -treated group (0.53±0.2cm). In addition, MXD-NLs treated media reduced the number of scalp bacteria (p=0.0456) compared with free MXD. These results reveal a novel formulation of MXD with faster hair growth properties and a better disinfectant effect than free MXD. This study can help future researchers to expand and develop MXD-NLs.


Assuntos
Alopecia , Cabelo , Lipossomos , Minoxidil , Couro Cabeludo , Minoxidil/farmacologia , Animais , Cabelo/crescimento & desenvolvimento , Cabelo/efeitos dos fármacos , Cabelo/microbiologia , Couro Cabeludo/efeitos dos fármacos , Camundongos , Alopecia/tratamento farmacológico , Alopecia/microbiologia , Nanopartículas , Desinfetantes/farmacologia , Masculino , Feminino
17.
JAMA Dermatol ; 160(6): 600-605, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38598226

RESUMO

Importance: There has been increased interest in low-dose oral minoxidil for androgenetic alopecia (AGA) treatment. However, the efficacy of oral minoxidil for male AGA is yet to be evaluated in comparative therapeutic trials. Objective: To compare the efficacy, safety, and tolerability of daily oral minoxidil, 5 mg, vs twice-daily topical minoxidil, 5%, for 24 weeks in the treatment of male AGA. Design, Setting, and Participants: This double-blind, placebo-controlled randomized clinical trial was conducted at a single specialized clinic in Brazil. Eligible men with AGA aged 18 to 55 years classified using the Norwood-Hamilton scale as 3V, 4V, or 5V were included and randomized. Data were collected from January to December 2021, and data were analyzed from September 2022 to February 2023. Interventions: Participants were randomized 1:1 into 2 groups: oral minoxidil, 5 mg, daily and topical placebo solution; or 1 mL of topical minoxidil, 5%, twice daily and oral placebo for 24 weeks. Main Outcomes and Measures: The primary outcome was change in terminal hair density on the frontal and vertex regions of the scalp. The secondary outcomes were change in total hair density and photographic evaluation. Results: Among 90 enrolled participants, 68 completed the study; of these, the mean (SD) age was 36.6 (7.8) years. A total of 33 participants were enrolled in the oral minoxidil group and 35 in the topical treatment group. Both groups were homogenous in terms of demographic data and AGA severity. For the frontal area, the mean change from baseline to week 24 between groups was 3.1 hairs per cm2 (95% CI, -18.2 to 21.5; P = .27) for terminal hair density and 2.6 hairs per cm2 (95% CI, -10.3 to 15.8; P = .32) for total hair density. For the vertex area, the mean change from baseline to week 24 was 23.4 hairs per cm2 (95% CI, -0.3 to 43.0; P = .09) for terminal density and 5.5 hairs per cm2 (95% CI, -12.5 to 23.5; P = .32) for total hair density. According to the photographic analysis, oral minoxidil was superior to topical minoxidil on the vertex (24%; 95% CI, 0 to 48; P = .04) but not on the frontal scalp (12%; 95% CI, -12 to 36; P = .24). The most common adverse effects in the oral minoxidil group were hypertrichosis (22 of 45 [49%]) and headache (6 of 45 [14%]). Conclusions and Relevance: In this study, oral minoxidil, 5 mg, once per day for 24 weeks did not demonstrate superiority over topical minoxidil, 5%, twice per day in men with AGA. Trial Registration: Brazilian Registry of Clinical Trials Identifier: RBR-252w9r.


Assuntos
Alopecia , Minoxidil , Humanos , Minoxidil/administração & dosagem , Minoxidil/efeitos adversos , Masculino , Alopecia/tratamento farmacológico , Adulto , Método Duplo-Cego , Administração Oral , Pessoa de Meia-Idade , Resultado do Tratamento , Adulto Jovem , Administração Tópica , Adolescente , Cabelo/efeitos dos fármacos , Brasil , Couro Cabeludo
18.
Nutrients ; 16(7)2024 Mar 28.
Artigo em Inglês | MEDLINE | ID: mdl-38613018

RESUMO

Alopecia, a prevalent yet challenging condition with limited FDA-approved treatments which is accompanied by notable side effects, necessitates the exploration of natural alternatives. This study elucidated the hair growth properties of Gynostemma pentaphyllum leaf hydrodistillate (GPHD) both in vitro and in vivo. Furthermore, damulin B, a major component of GPHD, demonstrated hair growth-promoting properties in vitro. Beyond its established anti-diabetic, anti-obesity, and anti-inflammatory attributes, GPHD exhibited hair growth induction in mice parallel to minoxidil. Moreover, it upregulated the expression of autocrine factors associated with hair growth, including VEGF, IGF-1, KGF, and HGF. Biochemical assays revealed that minoxidil, GPHD, and damulin B induced hair growth via the Wnt/ß-catenin pathway through AKT signaling, aligning with in vivo experiments demonstrating improved expression of growth factors. These findings suggest that GPHD and damulin B contribute to the hair growth-inducing properties of dermal papilla cells through the AKT/ß-catenin signaling pathway.


Assuntos
Gynostemma , beta Catenina , Animais , Camundongos , Minoxidil , Proteínas Proto-Oncogênicas c-akt , Via de Sinalização Wnt , Cabelo
20.
Skin Res Technol ; 30(4): e13696, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38602262

RESUMO

BACKGROUND: Female pattern hair loss (FPHL) is the most prevalent type of alopecia among adult women. Presently, topical minoxidil stands as the sole treatment endorsed by the FDA. Addressing cases of FPHL in individuals who develop contact dermatitis in response to minoxidil can pose a challenge for dermatologists. OBJECTIVE: To assess the efficacy and safety of subcutaneous injections of Botulinum Toxin Type A (BTA) in treating FPHL. METHODS: Enrolled outpatients with FPHL who exhibited an allergic reaction to minoxidil solution. Diagnosis of FPHL was established through clinical examination and trichoscopy. Inclusion criteria involved patients with no prior treatment within the last year and without any comorbidities. BTA, specifically 100 units, was mixed with 2 mL of 0.9% normal saline. Twenty injection target sites, spaced 2-3 cm apart, were symmetrically marked on the hairless area of the scalp. A dosage of five units was intradermally injected at each target site. Representative photographs and dermoscopic images of the scalp were captured before and after 3 months of treatment. RESULTS: A total of 10 FPHL, aged between 26 and 40 years, were included. The average age was 30.3 ± 4.64 years, and all patients had a positive family history of Androgenetic Alopecia. The average duration of the disease was 3.70 ± 1.42 years. According to patients' self-assessment, after 1 month of treatment, 10 FPHL patients reported experiencing moderate to marked improvement in symptoms related to scalp oil secretion. Three months later, dermatological assessments showed that three had mild improvement, six had no change, and one had a worsening condition. No adverse effects were observed. CONCLUSIONS: Our study suggests that the effectiveness of BTA for FPHL is limited to 3 months. However, it can be considered for tentative use after effective communication with patients. The long-term efficacy and safety of BTA in treating FPHL require further observation and study.


Assuntos
Toxinas Botulínicas Tipo A , Minoxidil , Adulto , Feminino , Humanos , Minoxidil/uso terapêutico , Toxinas Botulínicas Tipo A/efeitos adversos , Alopecia/tratamento farmacológico , Couro Cabeludo
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA